Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262004AbUJZBZs (ORCPT ); Mon, 25 Oct 2004 21:25:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261882AbUJZBWo (ORCPT ); Mon, 25 Oct 2004 21:22:44 -0400 Received: from zeus.kernel.org ([204.152.189.113]:25045 "EHLO zeus.kernel.org") by vger.kernel.org with ESMTP id S261986AbUJZBUf (ORCPT ); Mon, 25 Oct 2004 21:20:35 -0400 Message-ID: <417D8DFF.1060104@osdl.org> Date: Mon, 25 Oct 2004 16:36:31 -0700 From: "Randy.Dunlap" Organization: OSDL User-Agent: Mozilla Thunderbird 0.8 (X11/20040913) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, B.Zolnierkiewicz@elka.pw.edu.pl Subject: Re: 2.6.9-mm1 References: <20041022032039.730eb226.akpm@osdl.org> <417D7EB9.4090800@osdl.org> <20041025155626.11b9f3ab.akpm@osdl.org> <417D88BB.70907@osdl.org> <20041025164743.0af550ce.akpm@osdl.org> In-Reply-To: <20041025164743.0af550ce.akpm@osdl.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3101 Lines: 96 Andrew Morton wrote: > "Randy.Dunlap" wrote: > >>Andrew Morton wrote: >> >>>"Randy.Dunlap" wrote: >>> >>> >>>>I'm trying to spend time on kexec++ this week, but this little BUG >>>>keeps getting in the way. Has it already been reported/fixed? >>>> >>>>kernel BUG at arch/i386/mm/highmem.c:42! >>> >>> >>>oops, we did it again. >>> >>>--- 25/drivers/ide/ide-taskfile.c~ide_pio_sector-kmap-fix Mon Oct 25 15:54:35 2004 >>>+++ 25-akpm/drivers/ide/ide-taskfile.c Mon Oct 25 15:54:48 2004 >>>@@ -304,7 +304,7 @@ static void ide_pio_sector(ide_drive_t * >>> else >>> taskfile_input_data(drive, buf, SECTOR_WORDS); >>> >>>- kunmap_atomic(page, KM_BIO_SRC_IRQ); >>>+ kunmap_atomic(buf, KM_BIO_SRC_IRQ); >>> #ifdef CONFIG_HIGHMEM >>> local_irq_restore(flags); >>> #endif >>>_ >> >>Yes, that gets further. :( >>Maybe I'll just (try) apply the kexec patch to a vanilla kernel. > > > I doubt if it'll help much. It looks like IDE PIO got badly broken. > That's something we have to fix - could you work with Bart on it please? Sure. Bart? > How come your disks are running in PIO mode anyway? No idea. >>Unable to handle kernel paging request at virtual address fffea000 >> printing eip: >>c02c8e4d >>*pde = 0064b067 >>*pte = 00000000 >>Oops: 0002 [#1] >>SMP DEBUG_PAGEALLOC >>Modules linked in: >>CPU: 0 >>EIP: 0060:[] Not tainted VLI >>EFLAGS: 00010006 (2.6.9-mm1) >>EIP is at ide_insw+0xd/0x20 >>eax: 000001f0 ebx: c05ee7ec ecx: 00000100 edx: 000001f0 >>esi: c05ee7ec edi: fffea000 ebp: c056fe80 esp: c056fe7c >>ds: 007b es: 007b ss: 0068 >>Process swapper (pid: 0, threadinfo=c056e000 task=c0486b80) >>Stack: c05ee740 c056fea0 c02c93b8 000001f0 fffea000 00000100 c05ee7ec >>00000080 >> fffea000 c056fec0 c02ccf06 c05ee7ec fffea000 00000080 00000000 >>00000000 >> c05ee740 c056feec c02cd62b c05ee7ec fffea000 00000080 00000000 >>fffea000 >>Call Trace: >> [] show_stack+0xaf/0xc0 >> [] show_registers+0x15d/0x1e0 >> [] die+0x106/0x190 >> [] do_page_fault+0x517/0x6a6 >> [] error_code+0x2d/0x38 >> [] ata_input_data+0x98/0xa0 >> [] taskfile_input_data+0x26/0x50 >> [] ide_pio_sector+0xcb/0xf0 >> [] task_in_intr+0xe2/0x100 >> [] ide_intr+0xb6/0x150 >> [] handle_IRQ_event+0x38/0x70 >> [] __do_IRQ+0xe2/0x150 >> [] do_IRQ+0x36/0x60 >> [] common_interrupt+0x18/0x20 >> [] cpu_idle+0x31/0x50 >> [] start_kernel+0x15f/0x180 >> [] 0xc0100211 >>Code: e5 8b 55 08 ec 0f b6 c0 5d c3 8d 74 26 00 55 89 e5 8b 55 08 66 >>ed 0f b7 c >> <0>Kernel panic - not syncing: Fatal exception in interrupt >> <0>Dumping messages in 0 seconds : last chance for Alt-SysRq... -- ~Randy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/